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the selection of hard foam stabilizer (hereinafter referred to as “silicone oil”) model and dosage definition are of great importance. it …

during the foaming process of soft foam, i wonder if you will encounter such a problem. the phenomenon of semi-collapse occurs, and the degree of foam…

in the future, we will try to discuss as little isocyanates as possible. after all, they are beyond the control of our grassroots. most of the talk is…

1. the most important thing to calculate in the rigid foam composite material is whether the ratio of black and white materials (weight ratio) is reas…

recently, i have often received calls from friends in the industry from all over the country asking about various technical problems that arise in the…

in the era of saving money, the price of polyether continues to rise. i have the honor to witness the transformation of hard foam products from huge p…

1. water distribution ratio water: amine: silicone oil = 100: 7: 35 the amine is a-33 or a38, which can be imported or domestically produced. the sili…

sponge is a porous material with good water absorption and can be used to clean items. commonly used sponges are made from wood cellulose fibers or fo…

silicon oil usually refers to linear polysiloxane that remains liquid at room temperature. it is a type of silicone product with many varieties and a …

during the foaming process, if the hardness of the hard foam is not enough, how to increase the hardness? 01 the lower cost first choice is to add cal…

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